Cat's Pride Complete Multi-Cat Scoopable Litter Jug, 20-Pound Number One Longest Lasting Odor Control For Multiple Cats Triple Action Strength Multi-Cat Formula Stops Odor Before It Starts By Combining Three Odor-Fighting Ingredients Knocks out ammonia, reduces fecal odors and leaves a fresh, clean scent No Leading Scoop Able Litter Last Longer As Tested By An Independent Laboratory Leading National Scoop Able Cat Litters As Determined By Iri Database